Neco Geography 2 Questions and Answers

(1a) Draw the cross section between secondary trigonometrical station 1267 and wuro bornoma settlement yourself (1b) The scale of the map=1:50,000 The lenght of the road=19.5 =Scale*lenght/1 km =50,000*19.5/100,000 =19.5/2 =9.8. (1c) It can be developed for transportation (1d) -for irrigation -medium of transportation -source of food supply eg fish,scrab rearing -domestic uses (1e) The map shows the spur at the north-west and south – east while valley at the centre of the map from SW to NE. (2) -Equinox: this is the time when the mid-day sun. is directly overhead at the equator. This always occur on march21 and september23. -Solstice: this is the time when the sun is vertically overhead at the tropic of Cancer as at the tropics of caapricorn. This occur On december 22 and june 21. -Twilight: this refers to the Brief period between the sunset and the complete total darkness. -Dawn: this refers to the belief etween sunrise and full daylight (3a) -block mountains:it is caused by faulting accompanied by tension and compressional forces eg horst -fold mountains:it is caused by the earths movement which forces sedimentary rocks to folds in form eg overthrust fold, simple folding -Volcanic mountains:it is caused when fissure or crack develops in the earth crust.eg mountain fuji -Residual mountains: it is caused from old fold,block or volcanic mountains by agent of denudation eg sierras of central spain. (3b) -they inflence settlement pattern -they are source of valuable minerals -they serve as tourist attraction -the pastures are utilized for grazing (8a) Environmental hazards simply refers to disasters which affect lives and properties within environment as a result of the action of man and other natural phenomena. 8b -deforestation -soil erosion -drought -flooding -pollution ——— -Deforestation – is the act of indiscriminate feelling of lumberable trees as timber and for agricultural purposes thereby leading to the destruction of the natural forest eg cutting of timbers. -Soil erosion: is the removal of the top layer of the layer of the soil through different processes of denudation. Eg wind -drought:refers to dryness which occurs as a result of lack of precipitation or rainfall received within an area at any time eg -flooding:is the accumulation of excessive quantity of water in an area without flowing away easily eg erosion -pollution:refers to the release of substances into the environment in quantities that are harmful to man and animal e.g water,air. 8c -it leads to diseases -absence of rainfall -it leads to high loss of crops and livestock -it leads to possible migration of people